SB2025120347 - Denial of service in Trolltech Qt



SB2025120347 - Denial of service in Trolltech Qt

Published: December 3, 2025

Security Bulletin ID SB2025120347
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-12385)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper allocation of resources in Text component parser of the Qt declarative module. A remote attacker can pass overly large values for the width and height in the <img> tag and cause an application to become unresponsive.


Remediation

Install update from vendor's website.